We demonstrate amplified spontaneous emission of long-range surface plasmon polaritons in planar metallic waveguides embedded in a fluorescent polymer. A net gain coefficient of 8±2 /cm has been realized for propagation up to 2 mm.
[Show abstract][Hide abstract] ABSTRACT: Surface plasmon polaritons (SPPs) have become one of the most rapidly expanding fields in photonics today. Exciting advances were made in research on SPPs in 2011. This review summarizes the significant progress and major achievements of super-resolution imaging, SPP lithography, SPP-assisted absorption, SPP-based antennas, light manipulation, and the current state-of-the-art in loss-compensation and process. The potential applications, future challenges, and opportunities are also discussed.
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